. Uccelli e loro nidi e uova : trovati in e vicino grandi città . rowsreally preferiscono costruire in alberi, ma quindi non lasciando su di loro in primavera precoce per agire come tetti, fanno ricorso a rifugteredpositions. (C'è un vero passero di alberi, che è stato notato nella parte i di tugore, pag. 129.) Uno dei miei passeri ha tutte le piume della sua schiena e le ali abbastanza bianche, rendendolo molto cospicuo; i suoi compan-ioni non sembrano pensare alla sua insolita apparenza. Questa ricorrenza di albinismo, come è stato chiamato, è abbastanza comune ora-a-giorni amongsttown e forse passeri paese. Perchè il?it è piuttosto difficile
1841 x 1357 px | 31,2 x 23 cm | 12,3 x 9 inches | 150dpi
Altre informazioni:
Questa immagine potrebbe avere delle imperfezioni perché è storica o di reportage.
. Birds and their nests and eggs : found in and near great towns . rowsreally prefer to build in trees, but therebeing no leaves on them in early springto act as roofs, they resort to shelteredpositions. (There is a true tree sparrow, which has been noticed in Part I of thiswork, p. 129.) One of my sparrows has all thefeathers of his back and wings quite white, rendering him very conspicuous ; his compan-ions do not seem to mind his unusual appear-ance. This occurrence of albinism, as it iscalled, is quite common now-a-days amongsttown and perhaps country sparrows. Why ?It is somewhat difficult to obtain even asnapshot of a sparrow, although he is sucha common bird. Plate VI shows one that. Igot of a cock perched on the rim of a water-tub in my garden, whither he had come for adrink. (The exposure was yV second in fullsunshine, with a fast plate, the lens workingat F/16.) I had placed the camera six feet THE LAST WEEK IN MARCH 15 away with the half-plate lens focussed onthe rim to which I thought he would come, and the plate sheath drawn. I released the. Plate VI : A cock sparrow perched on the rim of awater tub, whither he had come for a drink.Enlarged (4 size). shutter by blowing sharply through twentyfeet of small india-rubber tubing connectedwith it, having concealed myself behind awall covered with wistaria. I have since 16 EARLY SPRING tried more than once to repeat the picture, but without success ; the birds seem to regardthe camera as a trap. In future I must con-ceal it carefully, in the orthodox way.* * H^ * The islands looked black and bare as weapproached them, but experience had taughtus not to turn back if the prospects were notof the brightest. For we knew that theislands were full of life, though this was notapparent at first sight. Much of it, however, was still dormant, and not released from thegrip of winter. But had not the time of thesinging of birds come ? It was a quiet andsomewhat misty morning and the first reallywarm day of the year. The sudden
